Main frame computer



FIG. 1 is a top, front, left hand side perspective view of a main frame computer showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right hand side elevational view thereof;

FIG. 5 is an inverted left hand side elevational view thereof;

FIG. 6 is a top plan view thereof. 

The ornamental design for the main frame computer, as shown. 